Installing FreeIPA on Ubuntu 20.04

FreeIPA is an open-source identity management system that provides centralized authentication, authorization, and account information for Linux/Unix network environments. It combines several components such as LDAP directory services, Kerberos authentication, and DNS services into a single cohesive framework.

Here are the steps to install FreeIPA on Ubuntu 20.04:

$ sudo apt update
$ sudo apt upgrade

$ sudo apt install freeipa-server

$ sudo hostnamectl set-hostname ipa.example.com

Replace "ipa.example.com" with your desired hostname.

$ sudo apt install bind9

Edit the /etc/bind/named.conf.options file and make the following changes:

...
forwarders {
    8.8.8.8;   // Replace with your DNS server IP
};

recursion yes;

$ sudo systemctl start bind9
$ sudo systemctl enable bind9

$ sudo ipa-server-install

Follow the prompts and provide the necessary information for your environment.

https://ipa.example.com/ipa/ui

Replace "ipa.example.com" with your FreeIPA server's hostname.

1. Update the system packages:
2. Install the necessary packages:
3. Configure the hostname:
4. Configure DNS:
5. Start and enable BIND service:
6. Install FreeIPA server:
7. Access the FreeIPA server web interface:

That's it! You have successfully installed FreeIPA on Ubuntu 20.04. You can now use it for centralized authentication and identity management in your Linux/Unix network environment.